180389390608 has 80 divisors (see below), whose sum is σ = 424035717120. Its totient is φ = 72571834368.

The previous prime is 180389390579. The next prime is 180389390617. The reversal of 180389390608 is 806093983081.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605548 + ... + 852916.

It is an arithmetic number, because the mean of its divisors is an integer number (5300446464).

Almost surely, 2^180389390608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180389390608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212017858560).

180389390608 is an abundant number, since it is smaller than the sum of its proper divisors (243646326512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180389390608 is a wasteful number, since it uses less digits than its factorization.

180389390608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247784 (or 247778 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 180389390608 in words is "one hundred eighty billion, three hundred eighty-nine million, three hundred ninety thousand, six hundred eight".